| KRAUS & NAIMER |
CA50 - Electrical Data |
29.10.2009 |
Switch features:
- S1 (64x64mm) Front element size (can be changed by mountings and optional extras)
- Terminal screws accessible laterally (resp. from above and below for -V mountings)
- Designed for vertical wiring (resp. horizontal for -V mountings: e.g. VE-V, FS1-V)
- Finger-proof terminals (IP20)
Approvals:
| Approved |
Confirms to requirements |
No listing required |
|
BS EN, CH, CSA, CUL, CULUS, D, FI, IEC, N, ÖVE, S, UL, VDE |
|
BS EN...BS EN 60947 - British Standards Institution, CCC...CCC - China Compulsory Certification, CH...Schweizerischer Elektrotechnischer Verein, CSA...Canadian Standards Association, CUL...Canadian National Standards - Listed, CULUS...Canadian National and United States Standards - Listed, CUR...Canadian National Standards - Recognized, CURUS...Canadian National and United States Standards - Recognized, D...Danmarks Elektriske Materiellkontrol, FI...Sähkötarkastuskeskus, GOST...GOST - gosudarstvennyj standard, IEC...IEC 60947 - International Electrical Commission (IEC) Recommendation, N...Norges Elektriske Materiellkontroll, ÖVE...Österreichischer Verband für Elektrotechnik, RuMRS...Russian Maritime Register of Shipping, S...Svenska Elektriska Materielkontrollanstalten, UL...United States Standards - Listed, UR...United States Standards - Recognized, VDE...VDE 0660 - Verband Deutscher Elektrotechniker
AC-Values:
IEC 60947-3, EN 60947-3, VDE 0660 part 107:
| Rated Operational Voltage Ue | | 690V | 1) |
| Rated Insulation Voltage Ui | | 690V | 1) |
| Rated Thermal Current Iu/Ith | | 50A | 2) |
| Breaking Capacity |
220V-240V:
| 330A | 2) |
|
|
|
380V-440V:
| 330A | 2) |
|
|
|
660V-690V:
| 200A | 2) |
| Rated Operational Current Ie |
| AC-15 Switching of control devices, contactors, valves etc. |
220V-240V:
| 16A | 2) |
|
|
|
380V-440V:
| 7A | 2) |
| AC-21A Switching of resistive loads, including moderate overloads |
|
|
For switching of power >1kW | | 50A | 2) |
| AC-22A Switching of combined resistive or low inductive loads including moderate overloads | | 50A | 2) |
| Rated Utilization Category |
| AC-2 Slip ring motor starting, reversing and plugging, star-delta starting 3 phase, 3 pole |
220V-240V:
| 11kW | 2) |
|
|
|
380V-440V:
| 22kW | 2) |
|
|
|
500V-500V:
| 30kW | 2) |
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|
|
660V-690V:
| 30kW | 2) |
| AC-3 Direct-on-line starting, star-delta starting |
|
|
3 phase, 3 pole |
220V-240V:
| 11kW | 2) |
|
|
|
380V-440V:
| 18.5kW | 2) |
|
|
|
500V-500V:
| 18.5kW | 2) |
|
|
|
660V-690V:
| 18.5kW | 2) |
|
|
1 phase, 2 pole |
110V-120V:
| 3kW | 2) |
|
|
|
220V-240V:
| 6kW | 2) |
|
|
|
380V-440V:
| 11kW | 2) |
|
|
|
500V-500V:
| 15kW | 2) |
|
|
|
660V-690V:
| 11kW | 2) |
| AC-4 Direct-on-line starting, reversing, plugging and inching |
|
|
3 phase, 3 pole |
220V-240V:
| 4kW | 2) |
|
|
|
380V-440V:
| 7kW | 2) |
|
|
|
500V-500V:
| 7kW | 2) |
|
|
|
660V-690V:
| 7.5kW | 2) |
|
|
1 phase, 2 pole |
110V-120V:
| 1.2kW | 2) |
|
|
|
220V-240V:
| 2.4kW | 2) |
|
|
|
380V-440V:
| 4kW | 2) |
| AC-23A Frequent switching of motors or other high inductive loads |
|
|
3 phase, 3 pole |
220V-240V:
| 11kW | 2) |
|
|
|
380V-440V:
| 22kW | 2) |
|
|
|
500V-500V:
| 22kW | 2) |
|
|
|
660V-690V:
| 22kW | 2) |
|
|
1 phase, 2 pole |
110V-120V:
| 2.5kW | 2) |
|
|
|
220V-240V:
| 5.5kW | 2) |
|
|
|
380V-440V:
| 11kW | 2) |
|
|
|
500V-500V:
| 15kW | 2) |
|
|
|
660V-690V:
| 10kW | 2) |
1)...IEC 60947-3, EN 60947-3, VDE 0660 part 107 - Valid for lines with grounded common neutral termination, overvoltage category
III, Other values on request.
2)...IEC 60947-3, EN 60947-3, VDE 0660 part 107
UL/Canada:
| Rated Voltage | | 600V | 1) |
| Rated Insulation Voltage Ui | | 600V | 1) |
| Rated Thermal Current | | 55A | 1) |
| Ampere Rating - Resistive or low inductive loads |
| For switching of power >1kW | | 55A | 1) |
| Ratings |
| Standard motor load, DOL Rating (similar AC-3) |
|
|
3 phase, 3 pole |
110V-120V:
| 7.5HP | 2) |
|
|
|
220V-240V:
| 15HP | 2) |
|
|
|
440V-480V:
| 25HP | 2) |
|
|
|
550V-600V:
| 30HP | 2) |
|
|
1 phase, 2 pole |
110V-120V:
| 3HP | 2) |
|
|
|
220V-240V:
| 7.5HP | 2) |
|
|
|
277V-277V:
| 7.5HP | 2) |
|
|
|
440V-480V:
| 15HP | 2) |
|
|
|
550V-600V:
| 20HP | 2) |
| Pilot Duty, Heavy | | A600 | 1) |
1)...UL/Canada - Refer to International Standards and Approvals
2)...UL/Canada
DC Switching Capacity of CA40/50/63 switches with snap-action latching
according to IEC 60947-3, EN 60947-3, VDE 0660 Teil 107
| No. of Series Contacts, Voltage [V] |
Rated Operational Current Ie [A] |
| CA40S |
CA50S |
CA63S |
| 1 |
2 |
3 |
4 |
5 |
6 |
8 |
DC-21A |
DC-22A |
DC-23A |
DC-21A |
DC-22A |
DC-23A |
DC-21A |
DC-22A |
DC-23A |
| 24 |
48 |
72 |
96 |
120 |
144 |
192 |
40 |
40 |
40 |
50 |
50 |
50 |
63 |
63 |
63 |
| 48 |
96 |
144 |
192 |
240 |
288 |
384 |
40 |
40 |
40 |
50 |
50 |
50 |
63 |
63 |
63 |
| 60 |
120 |
180 |
240 |
300 |
360 |
480 |
40 |
20 |
13 |
45 |
23 |
15 |
50 |
25 |
17 |
General:
| Minimum Voltage | | on request | |
| Power loss per contact at Iu | | 1.8W | |
| Resistance to vibration | | on request | |
| Resistance to shock | | min. 5g, 30ms | |
| Rated Impulse Withstand Voltage Uimp | | 6kV | 1) |
| Short Circuit Protection |
| Max. fuse size (gL/gG-characteristic) | | 63A | |
| Rated short-time withstand current (1s-current) | | 950A | |
| Ambient Temperature of Stages (for switches with electro-mechanical accessories refer to optional extra) |
| open at 100% Iu/Ith | | 55°C during 24 hours with peaks up to 60°C | |
| enclosed at 100% Ithe | | 35°C during 24 hours with peaks up to 40°C | |
| Storage temperature | | -40°C to 85°C (in case of temperature below -5°C no shock load permissible) | |
| Terminal lead material | | copper wires only | |
| Max. Permissible Wire Gage |
| Single-core or stranded wire | | 16mm2 | |
|
| | AWG 6 | |
| Flexible wire | | 10mm2 | |
|
| | AWG 6 | |
| Flexible wire with sleeving in accordance with DIN 46228 | | 10mm2 | |
1)...IEC 60947-3, EN 60947-3, VDE 0660 part 107 - Valid for lines with grounded common neutral termination, overvoltage category
III, Other values on request.